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A phase field model coupling lithium diffusion and stress evolution with crack propagation and application in lithium ion batteries
Zuo P; Zhao YP(赵亚溥); Zhao, YP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
2015
Volume17Issue:1Pages:287-297
ISSN1463-9076
AbstractCracking and fracture of electrodes under diffusion during lithiation and delithiation is one of the main factors responsible for short life span of lithium based batteries employing high capacity electrodes. Coupling effects among lithium diffusion, stress evolution and crack propagation have a significant effect on dynamic processes of electrodes during cycling. In this paper, a phase field model coupling lithium diffusion and stress evolution with crack propagation is established. Then the model is applied to a silicon thin film electrode to explore the coupling effects on diffusion and crack propagation paths. During lithiation, simulation results show that lithium accumulates at crack tips and the lithium accumulation further reduces the local hydrostatic stress. Single and multiple crack geometries are considered to elucidate some of the crack patterns in thin film electrodes as a consequence of coupling effects and crack interactions.
Subject AreaChemistry ; Physics
DOI10.1039/c4cp00563e
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000346235600030
Funding OrganizationThis work was supported by the National Natural Science Foundation of China (NSFC, Grant No. 11372313), the Key Research Program of the Chinese Academy of Sciences (Grant No. KJZD-EW-M01), the Instrument Developing Project of the Chinese Academy of Sciences (Grant No. Y2010031) and the CAS/SAFEA International Partnership Program for Creative Research Teams.
DepartmentLNM纳/微系统力学与物理力学
Classification二类/Q1
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Cited Times:44[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49598
Collection非线性力学国家重点实验室
Corresponding AuthorZhao, YP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zuo P,Zhao YP,Zhao, YP . A phase field model coupling lithium diffusion and stress evolution with crack propagation and application in lithium ion batteries[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2015,17(1):287-297.
APA Zuo P,Zhao YP,&Zhao, YP .(2015).A phase field model coupling lithium diffusion and stress evolution with crack propagation and application in lithium ion batteries.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,17(1),287-297.
MLA Zuo P,et al."A phase field model coupling lithium diffusion and stress evolution with crack propagation and application in lithium ion batteries".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 17.1(2015):287-297.
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